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Finding the Fourth Proportional to 9,651, 13,319.19 and 6,112.92

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Solution

The fourth proportional to 9,651, 13,319.19 and 6,112.92 is: 8,436.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651 : 13,319.19 = 6,112.92 : x
  2. Step 2: Convert to fraction form
    9,651/13,319.19 = 6,112.92/x
  3. Step 3: Cross multiply
    9,651x = 13,319.19 × 6,112.92
  4. Step 4: Simplify right side
    9,651x = 81,419,142.93
  5. Step 5: Solve for x
    x = 81,419,142.93/9,651
  6. Step 6: Final answer
    x = 8,436.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.